Cumbria Police are concerned for the welfare of a missing 15-year-old boy believed to be in Whitehaven.
Peter Thompson was last seen in Whitehaven on Saturday September 3.
Peter is described as being of a stocky build, 5ft 2 inches tall and has short brown hair.
It is believed he may be wearing a black tracksuit along with green and grey coloured trainers.
Officers are appealing for anyone who has information on his whereabouts to contact police.
Anyone with information can report online at www.cumbria.police.uk/report-it or call police on 101.